package interpreter;

/**
 * 非终结符 的抽象父类
 *
 * @author Koizumi Sinya
 * @date 2018/03/19. 21:08
 * @edithor
 * @date
 */
public abstract class SymbolNode implements Node {
    protected Node left;
    protected Node right;

    public SymbolNode(Node left, Node right) {
        this.left = left;
        this.right = right;
    }
}
